The check engine light should go off after you drive for several minutes if the light was caused by a loose gas cap. Pay attention to the dashboard after the check engine light experience. If you find that the light keeps coming on, and goes off again once you tighten the gas cap, then your gas cap is too loose.
How long will check engine light stay on after tightening gas cap?
As soon as it’s safe, pull over and make sure your gas cap is tight. Once you’re back on the road, your check engine light should go off within 10 or 20 miles.
How do you reset check engine light after loose gas cap?
How to Reset the Warning Light Gas Cap That Is Loose or Missing
- Turn off your vehicle’s engine. …
- Step to the gas cap door. …
- Replace the gas cap. …
- Close the gas cap door. …
- Use an OBD-II code scanner if the warning light does not disappear. …
- Continue driving the vehicle.
How far do you have to drive to reset the check engine light?
To make sure the check engine light does not reappear, it’s recommended that you drive your car 30 to 100 miles. This enables the vehicle’s “Drive Cycle” to reset, as the various sensors need time to recalibrate.
Why is my check engine light still on after replacing gas cap?
The fuel cap light is not on to tell you it needs replaced, it is saying you may have left it loose on accident. And if it is installed as it should be, testing should be performed to find out what is still leaking in the evaporative emissions system. This will also keep this light on.
Why is my tighten gas cap light on?
Simply put, if your fuel cap light is on, it means that the computer has detected a leak in the system, typically from a loose gas cap. If this light comes on while driving, pull over in a safe spot and re-secure the cap. Continue driving normally with the light illuminated and it should go off within a day or two.
How long will check engine light stay off after reset?
So why is the light still on? Here’s something you probably don’t know: after clearing the car’s computer you will need to drive for about 50 to 100 miles. As you drive your car the computer will monitor all the sensors and register the results.
Why did my engine light come on and then go off?
But, there are other possible causes of intermittent illumination of the Check Engine Light such as failures in engine sensors, intermittent misfires, and faults with sticky or stuck valves such as in the EGR (exhaust gas recirculation) system or the EVAP system.
Will check engine light go off by itself?
A check engine light will shut itself off if the condition that caused it is remedied. … If you then did a bunch of highway driving before changing the oil, the specs may have dropped back into the normal range, causing the light to go off.
How long does it take for the check engine light to go off after replacing the o2 sensor?
How long does it take for the check engine light to go off after replacing the o2 sensor? Don’t crank the engine if you want to turn the ignition to “On”, it won’t start anyway. Wait five minutes and get the fuse back. After the “Check Engine” light blinks, it will shut off.